1147230690 has 32 divisors (see below), whose sum is σ = 2768748480. Its totient is φ = 304217664.

The previous prime is 1147230683. The next prime is 1147230701. The reversal of 1147230690 is 960327411.

It is a super-2 number, since 2×1147230690² = 2632276512155752200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101449 + ... + 112188.

It is an arithmetic number, because the mean of its divisors is an integer number (86523390).

Almost surely, 2^1147230690 is an apocalyptic number.

1147230690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147230690 is an abundant number, since it is smaller than the sum of its proper divisors (1621517790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1147230690 is a wasteful number, since it uses less digits than its factorization.

1147230690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213826.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1147230690 is about 33870.7940562367. The cubic root of 1147230690 is about 1046.8478983286.

The spelling of 1147230690 in words is "one billion, one hundred forty-seven million, two hundred thirty thousand, six hundred ninety".